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        <h2>
          <span class="refentrytitle">filesr</span>
        </h2>
        <p>filesr — 
      Returns the sample rate of a sound file.
    </p>
      </div>
      <div class="refsect1">
        <a id="idp102844560"></a>
        <h2>Description</h2>
        <p>
      Returns the sample rate of a sound file.
    </p>
      </div>
      <div class="refsect1">
        <a id="idp102845904"></a>
        <h2>Syntax</h2>
        <pre class="synopsis">ir <span class="command"><strong>filesr</strong></span> ifilcod [, iallowraw]</pre>
      </div>
      <div class="refsect1">
        <a id="idp102918224"></a>
        <h2>Initialization</h2>
        <p>
      <span class="emphasis"><em>ifilcod</em></span> -- sound file to be queried
    </p>
        <p>
      <span class="emphasis"><em>iallowraw</em></span> -- (Optional) Allow raw sound files (default=1)
    </p>
      </div>
      <div class="refsect1">
        <a id="idp102920864"></a>
        <h2>Performance</h2>
        <p>
      <span class="emphasis"><em>filesr</em></span> returns the sample rate of the sound file <span class="emphasis"><em>ifilcod</em></span>. <span class="emphasis"><em>filesr</em></span> can return the sample rate of convolve and PVOC files if the <span class="emphasis"><em>iallowraw</em></span> flag is not zero (it is non-zero by default).
    </p>
      </div>
      <div class="refsect1">
        <a id="idp102923920"></a>
        <h2>Examples</h2>
        <p>
      Here is an example of the filesr opcode. It uses the file <a class="ulink" href="examples/filesr.csd" target="_top"><em class="citetitle">filesr.csd</em></a>,
and <a class="ulink" href="examples/beats.wav" target="_top"><em class="citetitle">beats.wav</em></a>.

      </p>
        <div class="example">
          <a id="idp102926624"></a>
          <p class="title">
            <strong>Example 253. Example of the filesr opcode.</strong>
          </p>
          <div class="example-contents">
            <p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p>
            <pre class="programlisting">
<span class="csdtag">&lt;CsoundSynthesizer&gt;</span>
<span class="csdtag">&lt;CsOptions&gt;</span>
 
<span class="comment">; Select audio/midi flags here according to platform</span>
-odac     <span class="comment">;;;realtime audio out</span>
<span class="comment">;-iadc    ;;;uncomment -iadc if realtime audio input is needed too</span>
<span class="comment">; For Non-realtime ouput leave only the line below:</span>
<span class="comment">; -o filesr.wav -W ;;; for file output any platform</span>
<span class="csdtag">&lt;/CsOptions&gt;</span>
<span class="csdtag">&lt;CsInstruments&gt;</span>

<span class="ohdr">sr</span> <span class="op">=</span> 44100
<span class="ohdr">ksmps</span> <span class="op">=</span> 32
<span class="ohdr">nchnls</span> <span class="op">=</span> 2
<span class="ohdr">0dbfs</span>  <span class="op">=</span> 1

<span class="comment">;after an example from Jonathan Murphy</span>

<span class="oblock">instr</span> 1 
<span class="comment">;load sound into an ftable</span>
  Sfile	    <span class="opc">strcpy</span>    "beats.wav" 
  ilen	    <span class="opc">filelen</span>   Sfile 
  isr	    <span class="opc">filesr</span>    Sfile 
  isamps    <span class="op">=</span>  ilen <span class="op">*</span> isr 
<span class="comment">;adjust the length of the table to be a power of two closest</span>
<span class="comment">;to the actual size of the sound </span>
  isize	    <span class="opc">init</span>      1 
<span class="olabel">loop</span><span class="op">:</span> 
  isize	    <span class="op">=</span>  isize <span class="op">*</span> 2 
  <span class="octrl">if</span> (isize <span class="op">&lt;</span> isamps) <span class="octrl">igoto</span> <span class="olabel">loop</span> 
  itab	    <span class="ohdr">ftgen</span>     0, 0, isize, 1, Sfile, 0, 0, 0 
<span class="opc">prints</span>  "sample rate <span class="op">=</span> <span class="op">%</span>f, size <span class="op">=</span> <span class="op">%</span>f\n", isr, isize <span class="comment">;prints them</span>

<span class="oblock">endin</span> 
<span class="csdtag">&lt;/CsInstruments&gt;</span>
<span class="csdtag">&lt;CsScore&gt;</span>
 
<span class="stamnt">i</span>1 0 2
<span class="stamnt">e</span> 
<span class="csdtag">&lt;/CsScore&gt;</span>
<span class="csdtag">&lt;/CsoundSynthesizer&gt;</span>
</pre>
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        <p><br class="example-break" />

      The audio file <span class="quote">“<span class="quote">beats.wav</span>”</span> was sampled at 44.1 KHz. So <span class="emphasis"><em>filesr</em></span>'s output should include a line like this:
      </p>
        <pre class="screen">
sample rate = 44100.000000, size = 131072.000000
      </pre>
        <p>
    </p>
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      <div class="refsect1">
        <a id="idp102932688"></a>
        <h2>See Also</h2>
        <p>
      <a class="link" href="filebit.html" title="filebit"><em class="citetitle">filebit</em></a>,
      <a class="link" href="filelen.html" title="filelen"><em class="citetitle">filelen</em></a>,
      <a class="link" href="filenchnls.html" title="filenchnls"><em class="citetitle">filenchnls</em></a>,
      <a class="link" href="filepeak.html" title="filepeak"><em class="citetitle">filepeak</em></a>
    </p>
      </div>
      <div class="refsect1">
        <a id="idp102937712"></a>
        <h2>Credits</h2>
        <p>
      </p>
        <table border="0" summary="Simple list" class="simplelist">
          <tr>
            <td>Author: Matt Ingalls</td>
          </tr>
          <tr>
            <td>July 1999</td>
          </tr>
        </table>
        <p>
    </p>
        <p>New in Csound version 3.57</p>
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